/* BuildList — site styles.
   Self-contained: reset, type, layout, the support dialog and form all live here.

   The accent is the blue of the ruler in the app icon, darkened for text so it
   keeps AA contrast on white. */

/* ---------------------------------------------------------------- Tokens */

:root {
    color-scheme: light dark;

    --bl-blue: rgb(0, 122, 184);
    --bl-blue-light: rgb(0, 174, 239);
    --bl-blue-deep: rgb(0, 78, 128);
    /* Button fill: stays dark in both modes so white labels keep their contrast. */
    --bl-fill: rgb(0, 122, 184);

    --ink: rgb(24, 28, 34);
    --body: rgb(78, 86, 97);
    --muted: rgb(122, 132, 145);
    --surface: rgb(247, 248, 250);
    --card: rgb(255, 255, 255);
    --line: rgb(224, 228, 234);
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px -12px rgba(16, 24, 40, 0.14);
    --header-bg: rgba(255, 255, 255, 0.72);

    --radius: 16px;
    --page: 1040px;
    --gutter: clamp(20px, 5vw, 32px);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bl-blue: rgb(77, 196, 245);

        --ink: rgb(240, 243, 247);
        --body: rgb(176, 185, 197);
        --muted: rgb(134, 145, 158);
        --surface: rgb(15, 17, 21);
        --card: rgb(24, 27, 33);
        --line: rgb(45, 50, 59);
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px -12px rgba(0, 0, 0, 0.7);
        --header-bg: rgba(15, 17, 21, 0.72);
    }
}

/* ----------------------------------------------------------------- Reset */

*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
}

/* An author `display` beats the UA sheet's `[hidden] { display: none }`, so
   anything given a display value here would ignore the attribute without this. */
[hidden] {
    display: none !important;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    /* The system stack: this is an Apple app, and it means no webfont round
       trip and no flash of unstyled text. */
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
        Roboto, Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.6;
    color: var(--body);
    background-color: var(--surface);
    -webkit-font-smoothing: antialiased;
}

img,
svg {
    display: block;
    max-width: 100%;
}

h1,
h2,
h3 {
    color: var(--ink);
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

a {
    color: var(--bl-blue);
}

:focus-visible {
    outline: 2px solid var(--bl-blue);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ---------------------------------------------------------------- Layout */

.wrap {
    width: 100%;
    max-width: var(--page);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

section {
    padding-block: clamp(48px, 9vw, 88px);
}

/* Anchored targets would otherwise land under the sticky header. */
section[id],
footer[id] {
    scroll-margin-top: 62px;
}

.section-lead {
    color: var(--muted);
    max-width: 60ch;
    margin-top: 12px;
    text-wrap: pretty;
}

h2 {
    font-size: clamp(1.6rem, 4vw, 2.1rem);
}

/* ---------------------------------------------------------------- Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: var(--header-bg);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--line);
}

.site-header .wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 58px;
}

.site-header .mark {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    /* Two lines of wordmark would double the header height on a phone. */
    white-space: nowrap;
}

.site-header .mark img {
    width: 28px;
    height: 28px;
    border-radius: 7px;
}

.site-header nav {
    margin-left: auto;
    display: flex;
    gap: 4px;
}

.site-header nav a {
    display: inline-flex;
    align-items: center;
    /* 44px tall so it's a comfortable tap target on a phone. */
    min-height: 44px;
    padding-inline: 12px;
    border-radius: 10px;
    font-size: 0.95rem;
    text-decoration: none;
}

.site-header nav a:hover {
    background-color: color-mix(in srgb, var(--bl-blue) 12%, transparent);
}

/* On a phone the wordmark plus three links won't fit. The in-page anchors are
   the ones to drop — they only jump somewhere the user can reach by scrolling,
   whereas Privacy is a real destination. */
@media (max-width: 480px) {
    .site-header nav a.jump {
        display: none;
    }
}

/* ------------------------------------------------------------------ Hero */

.hero {
    background: linear-gradient(150deg, rgb(0, 150, 214) 0%, rgb(0, 122, 184) 48%, var(--bl-blue-deep) 100%);
    color: white;
    text-align: center;
    padding-block: clamp(56px, 11vw, 104px);
}

.hero h1,
.hero h2,
.hero h3 {
    color: white;
}

.hero img.app-icon {
    width: clamp(96px, 22vw, 124px);
    height: clamp(96px, 22vw, 124px);
    margin-inline: auto;
    border-radius: 24%;
    box-shadow: 0 20px 44px -14px rgba(0, 0, 0, 0.6);
}

.hero h1 {
    font-size: clamp(2.25rem, 8vw, 3.4rem);
    margin-top: 26px;
    letter-spacing: -0.03em;
}

.hero .tagline {
    font-size: clamp(1.05rem, 3.6vw, 1.3rem);
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.86);
}

.hero .pitch {
    max-width: 54ch;
    margin: 22px auto 0;
    color: rgba(255, 255, 255, 0.92);
    text-wrap: pretty;
}

.badge {
    display: inline-block;
    margin-top: 30px;
    padding: 11px 24px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.1);
    font-weight: 500;
    font-size: 0.95rem;
}

.badge-instore {
    color: white;
    font-weight: bold;
}

.badge-instore:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.platforms {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 22px;
    margin-top: 26px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.86);
}

.platforms span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.platforms svg {
    width: 17px;
    height: 17px;
}

/* -------------------------------------------------------------- Examples */

.examples {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    padding: 0;
    margin-top: 28px;
}

.examples li {
    background-color: var(--card);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 9px 17px;
    font-size: 0.92rem;
    box-shadow: var(--shadow);
}

/* -------------------------------------------------------------- Features */

.features {
    background-color: var(--card);
    border-block: 1px solid var(--line);
}

.feature-grid {
    display: grid;
    /* min(100%, …) keeps a single column from overflowing a narrow phone. */
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    gap: 14px;
    margin-top: 36px;
}

.feature {
    background-color: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
}

.icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 11px;
    background-color: color-mix(in srgb, var(--bl-blue) 13%, transparent);
    color: var(--bl-blue);
    margin-bottom: 14px;
}

.icon svg {
    width: 21px;
    height: 21px;
}

.feature h3 {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 1.05rem;
    margin-bottom: 7px;
}

.feature p {
    font-size: 0.95rem;
    text-wrap: pretty;
}


/* A closing full-width card rather than an orphan in the grid. */
.privacy-note {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-top: 14px;
    padding: 24px;
    background-color: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.privacy-note .icon {
    flex: none;
    margin-bottom: 0;
}

/* ---------------------------------------------------------------- Footer */

.site-footer {
    background-color: var(--card);
    border-top: 1px solid var(--line);
    padding-block: clamp(40px, 7vw, 64px);
}

.site-footer h2 {
    font-size: clamp(1.4rem, 3.5vw, 1.7rem);
}

.site-footer p {
    max-width: 60ch;
    margin-top: 12px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-top: 24px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    font-size: 0.92rem;
}

.footer-links .copyright {
    margin: 0;
    margin-left: auto;
    color: var(--muted);
}

/* ----------------------------------------------------------- Legal pages */

.legal {
    max-width: 76ch;
}

.legal h1 {
    font-size: clamp(1.9rem, 6vw, 2.4rem);
}

.legal h2 {
    font-size: 1.25rem;
    margin-top: 40px;
}

.legal p,
.legal li {
    margin-top: 12px;
    text-wrap: pretty;
}

.legal ul {
    padding-left: 20px;
    margin-top: 4px;
}

.legal li::marker {
    color: var(--bl-blue);
}

.legal strong {
    color: var(--ink);
}

.legal .updated {
    color: var(--muted);
    font-size: 0.92rem;
    margin-top: 8px;
}

.legal .summary {
    background-color: var(--card);
    border: 1px solid var(--line);
    border-left: 4px solid var(--bl-blue);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 22px 26px;
    margin-top: 28px;
    box-shadow: var(--shadow);
}

.legal .summary p {
    margin-top: 0;
}

/* --------------------------------------------------------------- Buttons */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 12px;
    background-color: var(--bl-fill);
    color: white;
    font: inherit;
    font-size: 0.98rem;
    font-weight: 550;
    cursor: pointer;
}

.button:hover {
    filter: brightness(1.07);
}

.button:disabled {
    opacity: 0.6;
    cursor: default;
    filter: none;
}

.button.ghost {
    background-color: transparent;
    border-color: var(--line);
    color: var(--ink);
}

.button.ghost:hover {
    background-color: color-mix(in srgb, var(--bl-blue) 10%, transparent);
    filter: none;
}

.site-footer .button {
    margin-top: 6px;
}

.icon-button {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: none;
    border: 0;
    border-radius: 10px;
    background-color: transparent;
    color: var(--muted);
    cursor: pointer;
}

.icon-button:hover {
    background-color: color-mix(in srgb, var(--bl-blue) 12%, transparent);
    color: var(--ink);
}

.icon-button svg {
    width: 18px;
    height: 18px;
}

/* ---------------------------------------------------------------- Dialog */

dialog {
    width: min(560px, calc(100vw - 32px));
    max-height: min(88vh, 760px);
    /* A native dialog centres itself with `margin: auto`, which the reset
       above resets away. Put it back. */
    margin: auto;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 18px;
    background-color: var(--card);
    color: var(--body);
    box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

dialog::backdrop {
    background-color: rgba(8, 11, 16, 0.55);
    backdrop-filter: blur(3px);
}

dialog form {
    display: flex;
    flex-direction: column;
    /* The dialog's own max-height, so only the body scrolls. */
    max-height: inherit;
}

.dialog-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 18px 14px 24px;
    border-bottom: 1px solid var(--line);
}

.dialog-head h2 {
    font-size: 1.2rem;
    margin-right: auto;
}

.dialog-body {
    padding: 22px 24px;
    overflow-y: auto;
}

.dialog-intro {
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 18px;
}

.dialog-foot {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--line);
    background-color: var(--surface);
}

/* The copy button only appears after a failure; keep it away from Send. */
.dialog-foot [data-copy-support] {
    margin-right: auto;
}

/* ------------------------------------------------------------------ Form */

.dialog-body label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ink);
}

.dialog-body label:not(:first-of-type) {
    margin-top: 16px;
}

.dialog-body input,
.dialog-body select,
.dialog-body textarea {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background-color: var(--surface);
    color: var(--ink);
    font: inherit;
    /* 16px minimum stops iOS Safari zooming in on focus. */
    font-size: 16px;
}

.dialog-body textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}

.dialog-body input:focus,
.dialog-body select:focus,
.dialog-body textarea:focus {
    outline: 2px solid var(--bl-blue);
    outline-offset: 1px;
    border-color: transparent;
}

.field-hint {
    margin-top: 6px;
    font-size: 0.82rem;
    color: var(--muted);
}

.form-status {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 18px;
    font-size: 0.92rem;
    border: 1px solid transparent;
}

.form-status.pending {
    background-color: color-mix(in srgb, var(--bl-blue) 10%, transparent);
    border-color: color-mix(in srgb, var(--bl-blue) 30%, transparent);
}

.form-status.success {
    background-color: color-mix(in srgb, rgb(38, 160, 90) 14%, transparent);
    border-color: color-mix(in srgb, rgb(38, 160, 90) 40%, transparent);
    color: var(--ink);
}

.form-status.error {
    background-color: color-mix(in srgb, rgb(214, 66, 60) 13%, transparent);
    border-color: color-mix(in srgb, rgb(214, 66, 60) 40%, transparent);
    color: var(--ink);
}

/* Off-screen rather than display:none — bots skip fields that aren't rendered. */
.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}